WO2019001554A1

WO2019001554A1 - Refrigerator

Info

Publication number: WO2019001554A1
Application number: PCT/CN2018/093542
Authority: WO
Inventors: 张珩; 黄凯; 吴光瑞; 李士东; 李鹏辉
Original assignee: 青岛海尔股份有限公司
Priority date: 2017-06-30
Filing date: 2018-06-29
Publication date: 2019-01-03
Also published as: CN107255383A

Abstract

A refrigerator (100), comprising: a cold storage chamber (120), the inside of a rear wall of the cold storage chamber (120) being formed with an ice maker cooling chamber (121), the inside of the ice maker cooling chamber (121) being provided with an ice-making evaporator (122) and a fan (123); a cold storage chamber door (130), located at the front side of the cold storage chamber (120) for closing the cold storage chamber (120), the inside of the cold storage chamber door (130) being formed with an ice-making chamber (131), the inside of the ice-making chamber (131) being provided with an ice maker (132); an air inlet duct, configured to receive a cold air flow blown out by the fan (123), and guide the cold air flow to the ice maker (132); an air return duct, configured to guide the air flow to the ice-making evaporator (122) for cooling after heat exchange with the ice maker (132), and then guide the air flow to the ice maker (132) via the air inlet duct.

Description

refrigerator

The present application claims the priority of the Japanese Patent Application Serial No. JP-A---------

Technical field

The invention relates to the field of home appliance technology, and in particular to a refrigerator.

Background technique

At present, an ice making device is generally provided on a refrigerator used in people's daily life, and the ice making device may be disposed in a freezing chamber of the refrigerator or may be disposed on a door body of the refrigerator. In order to save space in the freezer compartment, the prior art refrigerator usually has an ice making device disposed on the door body, and the ice making device usually introduces cold air in the freezer compartment of the refrigerator into the ice making device through the air duct to make ice. .

The cooling capacity of the ice making device in the above-mentioned refrigerator is extracted from the freezing evaporator, and the freezing evaporator mainly supplies the freezing chamber, and the distance from the freezing evaporator to the ice making chamber is long, and the cooling amount is lost on the way. Larger, the final cooling capacity of the ice making room is limited, resulting in a small amount of ice making.

Summary of the invention

In view of the above problems, it is an object of the present invention to provide a refrigerator that overcomes the above problems or at least partially solves the above problems.

A further object of the invention is to improve the ice making efficiency of a refrigerator.

The invention provides a refrigerator comprising: a refrigerating chamber, an ice making machine cooling chamber is formed on the inner side of the rear wall of the refrigerating chamber, an ice making evaporator and a fan are arranged in the cold working chamber of the ice making machine; Located on the front side of the refrigerating compartment to close the refrigerating compartment, an ice making compartment is formed on the inner side of the refrigerating compartment door body, and an ice making machine is arranged in the ice making compartment; the inlet air duct is configured to receive the cold airflow blown by the fan, and guide Leading to the ice making machine; and the return air duct, configured to guide the airflow after heat exchange with the ice maker to the area where the ice making evaporator is located, so that the airflow after heat exchange with the ice making machine is evaporated by ice making After cooling, the device is guided to the ice machine via the air inlet duct.

Optionally, the ice making machine cooling chamber is located at a lower inner side of the rear wall of the refrigerating chamber near the first side wall of the refrigerating chamber, and the outer circumference of the refrigerating chamber is covered with a casing, and the first vertical end surface of the door body is rotatably connected with the outer casing. To open or close the door body, the first side wall is a side wall of the refrigerating chamber adjacent to the first vertical end surface; the ice making evaporator is located at a lower portion of the ice making machine cooling chamber, the fan is located at an upper portion of the ice making evaporator; the ice making machine The outer end surface of the cooling chamber is provided with a first cover plate for enclosing the ice making evaporator and the fan in the cooling chamber of the ice making machine, and the inner side of the first cover plate is provided with a heat insulating material to avoid the cold making chamber of the ice making machine The cold air flow affects the temperature of the refrigerating compartment.

Optionally, the air inlet air duct includes a box side air inlet air duct and a door body side air inlet air duct, and the door body side air inlet air duct is configured to be connected and connected with the box side air inlet air duct when the door body is closed. In order to transport the cold air flow: the side air inlet duct of the box body is disposed at a position close to the lower part of the refrigerating chamber, and includes a first air inlet section, a straight air inlet section and a second advancement which are sequentially connected and connected in the direction of the inlet air flow. a wind curved section; the air inlet of the first air inlet section is connected and communicated with the air outlet of the fan, and the first air inlet section is configured to be bent from the outer side of the first side wall to the rear side to the rear wall to the ice making The machine is connected to the air outlet of the fan, and is connected to the air outlet of the fan; the straight section of the air inlet is arranged to extend from a position near the rear of the first side wall to a position close to the front part; the second air flow section is configured to be the first The outer side of the side wall is bent away from the front side to be connected to the door side inlet air duct when the door body is closed; the door side air inlet duct is disposed on the inner side of the door body near the first side The position of the wall for guiding the cold airflow in the side air inlet duct to the ice maker, and the door body side The wind tunnel is configured such that when the door body is closed, one of the air inlet end of the door side inlet air duct and the air outlet end of the second air inlet section protrudes into the other to enter the door side air inlet duct It is connected to the side inlet air duct of the cabinet.

Optionally, the ice making chamber is located at an inner side of the door body near the upper portion; the door body side air inlet air duct includes a first door body side inlet air duct extending in a height direction of the door body and the first door body side a second door side inlet air duct connected to and connected to the air outlet end of the inlet air duct; the air inlet end of the first door side inlet air duct protrudes toward the first side wall, and the second inlet air The outlet end of the curved section is adapted to be connected and communicated with the outlet end of the second inlet section when the door is closed; the second inlet side inlet duct is located in the ice making compartment and is associated with the ice maker The lower surface is fitted to provide cooling to the ice machine.

Optionally, a first elastic seal is disposed on an outer circumference of the air inlet end of the second air inlet section or the air inlet end of the first door side air inlet duct to seal the first door side when the door body is closed The connection between the inlet end of the wind duct and the outlet end of the second inlet section.

Optionally, the return air duct includes a door body return air duct and a tank side return air duct, and the door body return air duct is configured to be connected and connected with the tank side return air duct when the door body is closed. The airflow after heat exchange with the ice machine is arranged; the door side return air duct is disposed at a position inside the door body near the first side wall, and the air inlet end of the door body return air duct is located in the ice making room Close to the lower position and protruding into the ice making chamber, the outlet end of the return air duct of the door body is located near the lower part of the door body, and the air outlet end of the return air duct of the door body is directed toward the first side wall Protruding to connect with the box side return air duct when the door body is closed; the tank side return air duct is disposed at a position close to the lower part of the refrigerating chamber and located at a lower part of the box side inlet air duct, and the box side is back The wind tunnel comprises a first return air section, a return air straight section and a second return air section which are sequentially connected and connected in a return air flow direction; the first return air section is configured to be adjacent to the front side of the first side wall The position of the portion is bent out of the first side wall for connecting and communicating with the air outlet end of the door body side return air duct when the door body is closed, so as to connect the door body The return air duct is connected and connected to the box side return air duct; the return air straight section is configured to extend from a position where the outer side of the first side wall is connected to the first return air section to a position close to the rear part of the first side wall; The second return air segment is configured to be bent from a position near the rear side of the first side wall toward the rear wall to a position in the ice-cooling chamber near the lower portion of the ice making evaporator to exchange heat with the ice maker The subsequent air flow is directed to the area where the ice making evaporator is located.

Optionally, the door side return air duct is configured to extend in a height direction of the door body, and is located on the same side of the door body side air inlet duct and spaced apart from the door body side inlet air duct; the box side is advanced The wind tunnel is spaced apart from the outer surface of the refrigerating compartment, and the insulating material is filled between the casing side inlet air duct and the outer surface of the refrigerating compartment; the tank side return air duct is spaced apart from the outer surface of the refrigerating compartment, and An insulating material is filled between the box side return air duct and the outer surface of the refrigerating chamber.

Optionally, a second elastic seal is disposed on an outer circumference of the air inlet end of the first return air section or the air outlet end of the door body side return air duct to seal the first return air section when the door body is closed The connection between the wind end and the outlet end of the door side return air duct.

Optionally, a second cover plate is disposed on the end surface of the ice making chamber near the refrigerating chamber to enclose the ice making machine in the ice making chamber, and the ice making chamber is located at a lower portion of the ice making machine to form a storage for storing the ice cubes. Ice area.

Optionally, the refrigerator further includes a dispenser disposed in the door body and located under the ice making chamber, and the distributor communicates with the ice storage area through the connecting pipe to discharge the ice block formed by the ice making mechanism; the outer side of the door body is formed and distributed The communicating passages allow the user to receive ice cubes discharged through the dispenser outside the door.

In the refrigerator of the present invention, an ice making machine cooling chamber is formed on the inner side of the rear wall of the refrigerating chamber, and an ice making evaporator and a fan are arranged in the cold working chamber of the ice making machine, and all the cooling capacity of the ice making evaporator is blown out to the air through the fan. In the air duct, the air inlet duct guides the cooling capacity to the ice making machine, and the ice making machine can obtain more cooling capacity, thereby improving the ice making efficiency of the ice making machine.

Further, in the refrigerator of the present invention, the ice making machine supply cold chamber is located at a lower portion of the inner side of the rear wall of the refrigerating chamber and is adjacent to the first side wall of the refrigerating chamber, and the fan is located at an upper portion of the ice making evaporator to facilitate the air inlet duct and The return air duct cooperates to facilitate the delivery of cold air. And the outer end surface of the ice making machine cooling chamber is provided with a first cover plate, and the inner side of the first cover plate is provided with a heat insulating material, so that the cold air flow in the ice making and cooling chamber can be prevented from affecting the temperature of the refrigerating chamber.

Further, in the refrigerator of the present invention, the inlet air duct includes a box side inlet air duct and a door body side inlet air duct, and the return air duct includes a box side return air duct and a door side return air duct The box side inlet air duct and the box side return air duct are located at a position close to the lower part of the refrigerating chamber, which can reduce the influence of the arrangement of the inlet air duct and the return air duct on the space inside the refrigerating compartment, and save refrigeration The internal space of the room; the door side inlet air duct and the door side return air duct are arranged in the refrigerator compartment door, fully utilizing the excess space of the refrigerator compartment door, and reasonably distributing the inlet air duct and the return air wind The arrangement position of the road reduces the space occupied by the inlet air duct and the return air duct, and at the same time improves the transportation efficiency of the cold volume.

The above as well as other objects, advantages and features of the present invention will become apparent to those skilled in the <

DRAWINGS

Some specific embodiments of the present invention will be described in detail, by way of example, and not limitation, The same reference numbers in the drawings identify the same or similar parts. Those skilled in the art should understand that the drawings are not necessarily drawn to scale. In the figure:

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic structural view showing the outline of a refrigerator in accordance with one embodiment of the present invention.

2 is a schematic structural view of a refrigerating compartment of a refrigerator in which an inlet air duct and a return air duct are illustrated, according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a refrigerating compartment of a refrigerator in accordance with one embodiment of the present invention.

4 is a schematic structural view of a refrigerating compartment of a refrigerator in which a refrigerating compartment door body is in a closed state, according to an embodiment of the present invention.

Figure 5 is a schematic exploded view of a refrigerating compartment of a refrigerator in accordance with one embodiment of the present invention.

And FIG. 6 is a schematic structural view of an ice making evaporator, a fan, an ice making machine, an inlet air duct, and a return air duct of the refrigerator according to an embodiment of the present invention.

Detailed ways

This embodiment first provides a refrigerator, and FIG. 1 is a schematic structural view of an outer shape of a refrigerator 100 according to an embodiment of the present invention.

Referring to FIG. 1, the refrigerator 100 generally includes a case 110. The case 110 defines at least one front open storage compartment. The outer periphery of the storage compartment is covered with a case outer casing, a casing and a storage. Insulating materials, such as a blowing agent, are interposed between the compartments to avoid loss of cooling. There are usually a plurality of storage rooms, such as a refrigerating room, a freezing room, a greenhouse, and the like. The number and function of the specific storage compartments can be configured according to prior requirements. In some embodiments, the storage temperature of the refrigerating compartment may be 2 to 9 ° C, or may be 4 to 7 ° C; the storage temperature of the freezing compartment may be -22 to -14 ° C, or may be -20 to 16 ° C. The freezing compartment is disposed below the refrigerating compartment, and the changing greenhouse is disposed between the freezing compartment and the refrigerating compartment. The temperature in the freezer is typically between -14 ° C and -22 ° C. The greenhouse can be adjusted to suit the needs of the food or as a storage room.

The refrigerator 100 may be a direct-cooling refrigerator or an air-cooled refrigerator, which may use a compression refrigeration cycle as a cooling source, and the refrigeration system may be a refrigeration cycle system composed of a compressor, a condenser, a throttle device, and an evaporator. The evaporator is configured to provide cooling directly or indirectly to the storage compartment. For example, when the refrigerator 100 is a domestic compression type direct cooling refrigerator, the evaporator may be disposed outside or inside the rear wall surface of the refrigerator liner. When the refrigerator 100 is a domestic compression air-cooled refrigerator, the tank 110 further has an evaporator chamber therein, and the evaporator chamber communicates with the storage compartment through the air passage system, and an evaporator is arranged in the evaporator chamber, and a fan is arranged at the outlet. To cycle cooling to the storage compartment. Since the refrigeration system and the refrigeration principle of the refrigerator 100 are well known and readily realized by those skilled in the art, in order not to obscure and obscure the inventive aspects of the present application, the refrigeration system itself will not be described later.

The storage compartment may be closed by a door body for opening and closing the storage compartment. For example, a refrigerating compartment door body, a freezing compartment door body, and a greenhouse door may be separately provided for the refrigerating compartment, the freezing compartment, and the changing greenhouse. The door body can include a pivot type as well as a drawer type. The pivoting door body can be pivotally opened by setting one side of the front part of the box in a connected manner. As shown in FIG. 1, FIG. 1 shows an outline structure of a refrigerator 100. The upper part of the cabinet 110 is a refrigerating compartment, and the front side of the refrigerating compartment has two refrigerating compartment door bodies 130. The refrigerating compartment door body 130 is In the pivot type, the lower portion of the refrigerating chamber is the freezing chamber 140, and the freezing chamber 140 shown in Fig. 1 is of the drawer type.

2 is a schematic structural view of a refrigerating compartment 120 of the refrigerator 100 according to an embodiment of the present invention. The refrigerating compartment 120 in FIG. 2 is a double-opening door, and only one of the refrigerating compartment door bodies 130 is shown in FIG. The door body 130 is in an open state, FIG. 3 is a schematic structural view of the refrigerating compartment 120 of the refrigerator 100 according to an embodiment of the present invention, and FIG. 4 is a schematic structural view of the refrigerating compartment 120 of the refrigerator 100 according to an embodiment of the present invention. Where the refrigerating compartment door 130 is in a closed state.

In particular, referring to FIG. 2, FIG. 3 and FIG. 4, an ice making machine cooling chamber 121 is formed on the inner side of the rear wall of the refrigerating compartment 120 of the refrigerator 100 of the present embodiment, and ice making evaporation is arranged in the ice making machine 121. The unit 122 and the fan 123, the ice making evaporator 122 and the compressor are connected by a refrigerant conveying line. The front side of the refrigerating compartment 120 is provided with a refrigerating compartment door body 130 to close the refrigerating compartment 120, and an ice making compartment 131 is formed inside the refrigerating compartment door body 130, and an ice making machine 132 is disposed in the ice making compartment 131. The refrigerator 100 further includes an inlet air duct and a return air duct. The entire cooling amount generated by the ice making evaporator 122 is blown by the fan 123 to the air inlet duct, and the air inlet duct guides the cooling amount to the door of the refrigerating chamber. The ice maker 132 in the ice making chamber 131 on the inner side of the 130, the ice maker 132 absorbs the cold to produce ice cubes. The air stream after heat exchange with the ice maker 132 is transported to the area where the ice making evaporator 122 is located via the return air duct, cooled by the ice making evaporator 122, and then sent to the ice making machine 132 via the air inlet duct, thereby forming The circulation loop of the airflow continuously supplies the cold volume of the ice making evaporator 122 to the ice maker 132, improving the ice making efficiency of the ice maker 132 and meeting the needs of the user.

In some optional embodiments, the ice making chamber 131 may be located at an inner side of the refrigerating chamber door body 130 near the upper portion. Specifically, a cavity is formed inside the refrigerating chamber door body 130 to form an ice making chamber 131 and an ice making chamber 131. The upper part is provided with an ice making machine 132, and the lower part forms an ice storage area, and the water in the ice making machine 132 absorbs the cold generated by the ice making evaporator 122 conveyed by the inlet air duct to form ice cubes, and the formed ice pieces pass through the ice making machine 132. Flip down to the ice storage area for storage. In order to avoid the loss of the cooling capacity in the ice making chamber 131, a second cover plate 135 is disposed on the end surface of the ice making chamber 131 near the refrigerating chamber 120, that is, the open end of the cavity opened inside the refrigerating chamber door body 130 covers the first end. The second cover plate 135 is configured to enclose the ice maker 132 in the ice making chamber 131 and seal the ice storage area. The inner side of the second cover plate 135 may be provided with an insulating layer, such as a foaming agent, so that the ice making chamber 134 can be avoided. The amount of cold is lost, and the low temperature environment of the ice making chamber 131 is maintained.

Referring to FIG. 4, a dispenser 136 is disposed in the refrigerating chamber door body 130 and below the ice making chamber 131. The distributor 136 communicates with the ice storage area through the connecting pipe 137, and the ice in the ice storage area enters the distribution through the connecting pipe 137. In the 136, the ice cubes produced by the ice maker 132 are discharged. In order to facilitate the user to take ice, referring to FIG. 1, the outer side of the refrigerating compartment door body 130 may be formed with a passage 136-1 communicating with the distributor 136, that is, the outer side of the refrigerating compartment door body 130 is provided with a cavity, and the passage 136 -1 is in communication with the dispenser 136, and the user directly receives the falling ice cubes dispensed by the dispenser 136 at the channel 136-1. An auxiliary door may be disposed on the front side of the channel 136-1 to close or open the channel 136-1. When the user takes the ice block, the user opens the auxiliary door to take the ice, and after the ice is taken, the auxiliary door is closed to maintain The cleaning of the passage also increases the overall aesthetics of the refrigerator 100.

In some optional embodiments, the ice maker cooling chamber 121 is located at a lower inner side of the rear wall of the refrigerating chamber 120 near the first side wall of the refrigerating chamber 120, and the outer circumference of the refrigerating chamber 120 is covered with a casing, and the refrigerating chamber door The first vertical end surface of the body 130 is rotatably coupled to the outer casing to facilitate opening or closing of the refrigerating compartment door body 130. The first side wall of the refrigerating compartment 120 refers to the refrigerating compartment 120 adjacent to the first vertical end surface of the refrigerating compartment door body 130. Side wall. If the refrigerating compartment has two refrigerating compartment door bodies 130, the inside of one of the refrigerating compartment door bodies 130 is formed in the ice making compartment 131. The ice making machine cooling chamber 121 is located at the above special position, which facilitates the cooperation of the ice making evaporator 122, the fan 123 and the inlet air duct and the return air duct, and also facilitates the arrangement of the inlet air duct and the return air duct. The ice making evaporator 122 is disposed in the ice making machine cooling chamber 121 and is located at a lower portion of the ice making machine cooling chamber 121, and the fan 123 is disposed in the ice making machine cooling chamber 121 and located at an upper portion of the ice making evaporator 122. The fan 123 may be a centrifugal fan. The cold airflow of the ice-making evaporator 122 naturally flows upward through the air inlet of the fan 123 into the fan 123, and is blown through the air outlet of the fan 123 to the air inlet duct communicating with the air outlet of the fan 123. The air inlet end delivers the cooling capacity to the ice machine. The ice maker cooling chamber 121 is formed at a lower inner side of the rear wall of the refrigerating chamber 120 near the first side wall of the refrigerating chamber 120, facilitating the ice making evaporator 122 and the fan 123 and the inlet wind in the ice making machine supply and cooling chamber 121. The cooperation of the road and the return air duct facilitates the transportation of the cold.

Referring to FIG. 3, the outer end surface of the ice making machine cooling chamber 121 is provided with a first cover plate 128, that is, the ice making machine cooling chamber 121 has an opening facing the refrigerating chamber, and the opening is covered with the first cover plate 128. The ice making evaporator 122 and the fan 123 are enclosed in the ice making machine cooling chamber 121. The inside of the first cover plate 128 may be provided with a heat insulating material, such as a foaming agent, so as to prevent the cold quantity of the ice making evaporator 122 from lowering the temperature of the cold room 120 corresponding to the area of the ice making machine cooling chamber 121, and maintaining the temperature of the cold room 120. The temperature is even.

In some optional embodiments, referring to FIG. 2 and FIG. 4, the inlet air duct may include a box side inlet air duct 124 and a door side inlet air duct 133, and the door side side inlet duct 133 is configured as When the refrigerating compartment door body 130 is closed, it is connected and communicated with the tank side inlet air duct 124, so that the cooling amount is sent to the door body side inlet air duct 133, and the door body side inlet duct 133 further conveys the cooling amount to The ice maker 132; when the refrigerator compartment door 130 is opened, the tank side inlet air duct 124 can be separated from the door body side inlet duct 133, and at the same time, the refrigerant conveying pipeline of the compressor and the ice making evaporator 122 can be When the delivery of the refrigerant is stopped, the fan 121 can be stopped to avoid the loss of the cooling capacity.

5 is a schematic exploded view of the refrigerating compartment 120 of the refrigerator 100 according to an embodiment of the present invention, and FIG. 6 is an ice making evaporator 122, a fan 123, an ice maker 132, and a refrigerator of the refrigerator 100 according to an embodiment of the present invention. Schematic diagram of the wind tunnel and return air duct.

Specifically, referring to FIG. 5 and FIG. 6, the tank side inlet air duct 124 may be disposed at a position near the lower portion of the refrigerating chamber 120, and includes a first air inlet section 124a sequentially connected and connected in the air flow direction, The inlet straight section 124b and the second inlet section 124c. Wherein, the air inlet of the first air inlet section 124a is connected to and communicates with the air outlet of the fan 123, and the first air inlet section 124a is located from the outer side of the first side wall of the refrigerating compartment 120 to the rear of the refrigerating compartment 120 toward the rear of the refrigerating compartment 120. The wall direction is curved to extend into the ice maker cooling chamber 121 and is connected to the air outlet of the fan 123. The air inlet end of the air inlet straight section 124b extends from a position connected to and communicates with the air outlet end of the first air inlet section 124a toward the front side of the first side wall of the refrigerating compartment 120, and the second air inlet section 124c The first side wall of the refrigerating chamber 120 is bent out from a position near the front side of the first side wall of the refrigerating chamber 120, that is, the air inlet end of the second air inlet section 124c is located at the first portion of the refrigerating chamber 120. The outer side of the side wall is adjacent to the front portion of the air inlet straight portion 124b, and the air outlet end 124c-1 of the second air inlet portion 124c is bent out of the first side wall of the refrigerating chamber 120 when the refrigerating chamber door body 130 is closed. The air outlet end 124c-1 of the second air inlet section 124c may be connected and communicated with the air inlet end 133-1 of the door body side air inlet duct 133 for conveying the cold air flow. Referring to FIGS. 3 and 5, a first through hole 126 is formed in the first side wall of the refrigerating chamber 120, and a vertical end surface of the refrigerating chamber door body 130 is formed with a second through hole 138 communicating with the first through hole 126. When the door body 130 is closed, the air outlet end 124c-1 of the second air intake section 124c passes through the first through hole 126 on the first side wall of the refrigerating compartment 120 and the second through hole 138 on the refrigerating compartment door body 130. It is connected to the air inlet end 133-1 of the door side intake air duct 133.

The shape of the box side inlet air duct 124 may be flat, and it is convenient to cooperate with the outer surface of the refrigerating chamber 120 to reduce the space occupied by the box side inlet air duct 124.

The overall position of the box side inlet air duct 124 is located at a position close to the lower portion of the refrigerating chamber 120, and is composed of the first air inlet section 124a, the inlet straight section 124b and the second inlet section 124c, which is specially The design structure and the special arrangement position not only facilitate the transportation of the cold air flow, but also have little influence on the internal space of the refrigerating chamber 120, and the position of the lower space in the refrigerating chamber 120 corresponding to the side air inlet duct 124 of the box body is slightly reduced. The majority of the space in the upper portion of the refrigerating compartment 120 is not occupied, thereby reducing the influence of the arrangement of the inlet ducts on the space inside the refrigerating compartment 120, thereby saving the internal space of the refrigerating compartment 120 and increasing the refrigerating compartment 120. Internal storage capacity.

A certain gap may be reserved between the box side inlet air duct 124 and the outer surface of the refrigerating chamber 120, and a gap between the box side inlet air duct 124 and the outer surface of the refrigerating chamber 120 may be filled with an insulating material, such as The foaming agent isolates the tank side inlet air duct 124 from the refrigerating compartment 120, thereby preventing the cold airflow in the tank side inlet air duct 124 from affecting the temperature in the refrigerating compartment 120, and ensuring uniform temperature of the refrigerating compartment 120.

The door side inlet air duct 133 may be disposed at a position inside the refrigerator compartment door body 130 near the first side wall for conveying the cold airflow in the tank side inlet air duct 124 to the ice maker 132, the door body side The intake air duct 133 may be configured such that when the refrigerating compartment door 130 is closed, the air inlet end 133-1 of the door body side inlet duct 133 and the second intake section 124c of the tank side inlet duct 124 One of the outlet ends 124c-1 protrudes into the other to communicate the door side inlet air duct 133 with the tank side inlet duct 124. Specifically, referring to FIG. 2, FIG. 4 and FIG. 6, the door side inlet air duct 133 may include a first door side inlet air duct 133a and an air outlet end 133 of the first door side side inlet duct 133a. -2 connected and connected second door side inlet air duct 133b, air inlet end 133-1 of first door side inlet air duct 133a is near lower portion of refrigerating chamber door body 130, to first side of refrigerating chamber 120 The direction of the wall is convex and is adapted to the outlet end 124c-1 of the second inlet section 124c in the inlet side air duct 124. When the refrigerating compartment door 130 is closed, the first door side is advanced. One of the air inlet end of the wind tunnel 133a and the air outlet end 124c-1 of the second inlet section 124c of the tank side inlet air duct 124 protrudes into the other, thereby entering the door side inlet air duct 133 is in communication with the side inlet air duct 235 to deliver a cold air flow.

Referring to FIGS. 3 and 5, the vertical end surface of the refrigerating chamber door body 130 is formed with a second through hole 138 communicating with the first through hole 126, and when the refrigerating chamber door body 130 is closed, the first door side side inlet duct 133a The air inlet end 133-1 passes through the second through hole 138 and is connected to the air outlet end 124c-1 of the second air inlet section 124c of the box side air inlet duct 124.

In some optional embodiments, the outer circumference of the air inlet end of the first door side inlet air duct 133a or the air outlet end 124c-1 of the second air inlet section 124c of the tank side inlet air duct 124 The outer circumference may further be provided with a first elastic seal to seal the air inlet end of the first door side inlet air duct 133a and the air outlet end 124c-1 of the second air inlet section 124c when the refrigerating compartment door 130 is closed. The connection to avoid loss of cold.

In this embodiment, the inlet air duct is designed as a box side inlet air duct 124 and a door side inlet air duct 133, and the arrangement position and special structure of the box side inlet air duct 124 reduce the inlet air duct. The influence on the refrigerating compartment saves the internal space of the refrigerating compartment 120 and facilitates the transportation of the cold volume; the door side inlet air duct 133 is disposed in the refrigerating compartment door body 130, so that the excess of the refrigerating compartment door body 130 can be fully utilized. The space, convenient for cold volume transportation, avoids the influence of the air duct arrangement on the temperature in the refrigerating chamber 120, and reduces the influence on the storage space of the refrigerating chamber 120.

The first door side inlet air duct 133a may extend upward in the height direction of the refrigerating chamber door body 130. Specifically, the first door body side inlet air duct 133a may extend upward to a position close to the ice maker 132. The air outlet end 133-2 of the first door side air inlet duct 133a is connected to and communicates with the second door side inlet air duct 133b located in the ice making chamber 131 through the ice making chamber 131, and the second door side The intake air duct 133b is fitted to the lower surface of the ice maker 132 to transmit the cooling amount to the ice maker 132. Specifically, the second door side inlet air duct 133b may be a duct independent of the ice maker 132, or may be part of the ice maker 132, that is, the second door side inlet air duct 133b may be made of A duct formed on the lower surface of the ice machine 132, the water in the ice maker 132 absorbs the cold in the airflow of the second door side inlet air duct 133b to form an ice block, and the air flow after releasing the cold amount passes through the second door body. The air inlet end of the side inlet air duct 133b is discharged, and is sent to the area where the ice making evaporator 122 is located through the return air duct, cooled by the ice making evaporator 122, and then sent to the ice making machine 132 by the air inlet duct. Thereby, the ice maker 132 is provided with a sufficient amount of cooling, the ice making efficiency of the ice maker 132 is improved, and the first door side inlet air duct 133a and the second door side side air inlet duct 133b are fully utilized. The space of the refrigerator door body 130 is arranged in a reasonable position and the space is evenly distributed. The shape of the door side inlet air duct 133 may be flat, which is convenient to match the shape of the refrigerating chamber door body 130, and reduces the space occupied by the door side inlet air duct 133.

In some optional embodiments, referring to FIG. 2, FIG. 4, FIG. 5 and FIG. 6, the return air duct may include a door side return air duct 134 and a tank side return air duct 125, and the door body side is back. The air duct 134 may be configured to be connected and communicated with the tank side return air duct 125 when the refrigerating compartment door 130 is closed to convey the airflow after exchange with the ice maker 132. Specifically, the door side return air duct 134 is disposed at a position inside the refrigerator compartment door body 130 near the first side wall of the refrigerating compartment 120, and the air inlet end 134-1 of the door body side return air duct 134 is located in the ice making compartment. 131 is close to the lower position and protrudes into the ice making chamber 131. The water in the ice making machine 132 absorbs the cold in the airflow of the second door side inlet air duct 133b to form an ice block, and the air flow after releasing the cold amount is passed. The air outlet end of the second door side inlet air duct 133b is discharged into the ice making chamber 131, and enters the door body side return air duct 134 through the air inlet end 134-1 of the door side return air duct 134. delivery. The door side return air duct 134 may extend in the height direction of the refrigerating chamber door body 130, and the air inlet end 134-1 of the door body side return air duct 134 is located at a position near the lower portion of the ice making chamber 131, and the door body side is back. The air outlet end 134-2 of the wind tunnel 134 may be located near the lower portion of the refrigerating compartment door body 130, and the air outlet end 134-2 of the door body side return air duct 134 may be directed to the first side wall of the refrigerating compartment 120. The direction is convex to be connected to the tank side return air duct 125 when the refrigerating compartment door 130 is closed.

In some alternative embodiments, the door side return air duct 134 may be located on the same side of the refrigerating chamber door 130 as the door side inlet air duct 133, and the door side return air duct 134 and the door side air inlet. The air ducts 133 are each located at a position inside the refrigerator compartment door body 130 near the first side wall of the refrigerating compartment 120. Specifically, the door side return air duct 134 is disposed close to the door side inlet air duct 133, and is spaced apart from each other to avoid a relatively low temperature airflow and door side entry in the door side return air duct 134. The relatively high temperature airflow in the wind tunnel 133 generates heat exchange to lower the temperature of the airflow in the door side inlet air duct 133. In the embodiment, the door body side return air duct 134 of the above structure fully utilizes the excess space of the refrigerating chamber door body 130, and the arrangement position of the return air duct is reasonably distributed, thereby reducing the space occupied by the return air duct. The delivery of airflow. The shape of the door side return air duct 134 may be flat, which is convenient to match the shape of the refrigerating chamber door body 130, and reduces the space occupied by the door side return air duct 134.

In some optional embodiments, the tank side return air duct 125 may be disposed at a position near the lower portion of the refrigerating chamber 120 and may be located at a lower portion of the box side intake air duct 124. Specifically, the tank side return air duct 125 may include a first return air section 125a, a return air straight section 125b, and a second return air section 125c which are sequentially connected and communicated in the return air flow direction. The first return air segment 125a is configured to be bent out of the first side wall by a position near the front side of the first side wall of the refrigerating chamber 120, that is, the air outlet end of the first return air segment 125a is located in the refrigerating chamber The outer side of the first side wall of the chamber 120 is close to the front portion, and the air inlet end 125a-1 of the first return air section 125a is bent out of the first side wall. When the refrigerating chamber door body 130 is closed, the first return air One of the air inlet end 125a-1 of the curved section 125a and the air outlet end 134-2 of the door body side return air duct 134 may protrude into the other, thereby bringing the tank side return air duct 125 and the door side The return air duct 134 is connected and communicated to deliver the airflow that has been exchanged with the ice maker 132 to the ice making evaporator 122. A second elastic seal may be disposed on the outer circumference of the air inlet end of the first return air section 125a of the box side return air duct 125 or the outer circumference of the air outlet end 125a-1 of the door body side return air duct, when the refrigerating compartment door When the body 130 is closed, the second elastic seal passes the air inlet end 125a-1 of the first return air segment 125a of the box side return air duct 125 and the air outlet end 134-2 of the door body return air duct 134. The joint is sealed to prevent leakage of air.

The return air straight section 125b of the tank side return air duct 125 extends from a position where the outer side of the first side wall of the refrigerating compartment 120 is connected to the first return air section 125a to a position close to the rear of the first side wall of the refrigerating compartment 120. The second return air segment 125c of the box side return air duct 125 is bent from the position of the first side wall of the refrigerating chamber 120 near the rear portion to the rear wall of the refrigerating chamber 120 to the ice maker cooling chamber 121. The position near the lower portion of the ice making evaporator 122 is directed to direct the air flow after exchange with the ice maker 132 to the area where the ice making evaporator 122 is located. The air stream is heat exchanged with the ice making evaporator 122 to form a cold air stream having a lower temperature, and the cold air stream is sent to the ice making machine 132 via the air inlet duct by the fan 123 to provide ice for the ice making machine 132. Ample cold. The shape of the box side return air duct 125 may be flat, which is convenient to cooperate with the outer surface of the box body, and reduces the space occupied by the box side return air duct 125.

The overall position of the tank side return air duct 125 is located at a position close to the lower portion of the refrigerating chamber 120, and is composed of a first return air section 125a, a return air straight section 125b and a second return air section 125c, and is specially designed. The structure and the special arrangement position are not only advantageous for the conveyance of the airflow, but also have little influence on the internal space of the refrigerating compartment 120, and the lower space in the refrigerating compartment 120 is slightly reduced corresponding to the position of the casing side return air duct 125, and is refrigerated. Most of the space in the upper portion of the chamber 120 is not occupied, thereby reducing the influence of the arrangement of the return air duct on the internal space of the refrigerating chamber 120, thereby saving the internal space of the refrigerating chamber 120 and increasing the refrigerating chamber 120. Internal storage volume.

The box side return air duct 125 is spaced apart from the outer surface of the refrigerating chamber 120, that is, a certain gap is left between the box side return air duct 125 and the outer surface of the refrigerating chamber 120, and the box side return wind An insulating material, such as a foaming agent, may be filled between the track 125 and the outer surface of the refrigerating compartment 120 to isolate the tank side return air duct 125 from the refrigerating compartment 120, thereby avoiding cold airflow in the tank side return air duct 125. The temperature in the refrigerating compartment 120 is affected to ensure that the temperature of the refrigerating compartment 120 is uniform.

In the refrigerator 100 of the present embodiment, an ice making machine cooling chamber 121 is formed on the inner side of the rear wall of the refrigerating chamber 120, and an ice making evaporator 122 and a fan 123 are disposed in the ice making machine cooling chamber 121, and all of the ice making evaporator 122 is disposed. The cold amount is blown out to the air inlet duct through the fan 123, and the air inlet duct guides the cold amount to the ice maker 132, and the ice maker 132 can obtain more cooling capacity, thereby improving the ice making efficiency of the ice maker 132.

Further, in the refrigerator 100 of the present embodiment, the ice maker cooling chamber 121 is located at a lower portion of the inner side of the rear wall of the refrigerating chamber 120 and is adjacent to the first side wall of the refrigerating chamber 120, and the fan 123 is located at an upper portion of the ice making evaporator 122. It is easy to cooperate with the inlet air duct and the return air duct to facilitate the transportation of cold volume. And the outer end surface of the ice making machine cooling chamber 121 is provided with a first cover plate, and the inner side of the first cover plate is provided with an insulating material, so that the cold air flow in the ice making and cooling chamber 121 can be prevented from affecting the temperature of the refrigerating chamber 120.

Further, in the refrigerator 100 of the present embodiment, the air inlet duct includes a box side air inlet duct 124 and a door side side air inlet duct 133, and the return air duct includes a box side return air duct 125 and a door. The body side return air duct 134, the box side air inlet air duct 124 and the tank side return air duct 125 are located at a position close to the lower part of the refrigerating chamber 120, which can reduce the arrangement of the inlet air duct and the return air duct The internal space of the refrigerating compartment 120 is saved by the influence of the internal space of the refrigerating compartment 120; the door side inlet air duct 133 and the door side return air duct 134 are disposed in the refrigerating compartment door body 130, and the refrigerating compartment door is fully utilized. The excess space of the body 130 reasonably distributes the arrangement positions of the inlet air duct and the return air duct, reduces the space occupied by the inlet air duct and the return air duct, and improves the transport efficiency of the cold volume.

In this regard, it will be appreciated by those skilled in the <RTIgt;the</RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; The content directly determines or derives many other variations or modifications consistent with the principles of the invention. Therefore, the scope of the invention should be understood and construed as covering all such other modifications or modifications.

Claims

A refrigerator, characterized in that the refrigerator comprises:

a cold storage chamber, an ice making machine cooling chamber is formed inside the rear wall of the refrigerating chamber, and an ice making evaporator and a fan are arranged in the cold chamber of the ice making machine;

a refrigerator compartment door body located at a front side of the refrigerating compartment to close the refrigerating compartment, an inner side of the refrigerating compartment door body is formed with an ice making compartment, and an ice making machine is arranged in the ice making compartment;

An inlet duct configured to receive a cold air stream blown by the fan and directed to the ice maker;

a return air duct configured to guide the airflow after heat exchange with the ice maker to an area where the ice making evaporator is located, so that the airflow after heat exchange with the ice maker passes through the ice making The evaporator is cooled and then directed to the ice maker via the inlet air duct.
The refrigerator according to claim 1, wherein

The ice making machine cooling chamber is located at a lower inner side of the rear wall of the refrigerating chamber near a first side wall of the refrigerating chamber, and an outer circumference of the refrigerating chamber is covered with a casing, and the first vertical of the door body The end surface is rotatably connected to the outer casing to open or close the door body, and the first side wall is a side wall of the refrigerating chamber adjacent to the first vertical end surface;

The ice making evaporator is located at a lower portion of the ice making machine cooling chamber, and the fan is located at an upper portion of the ice making evaporator;

The outer end surface of the ice making machine cooling chamber is provided with a first cover plate to enclose the ice making evaporator and the fan in the cold chamber of the ice making machine, and the inner side of the first cover plate is disposed There is a heat insulating material to prevent the cold air flow in the cold chamber of the ice maker from affecting the temperature of the cold storage chamber.
The refrigerator according to claim 2, wherein

The inlet air duct includes a tank side inlet air duct and a door body side inlet air duct, and the door body side inlet air duct is configured to enter the wind with the box side when the door body is closed The channels are connected and connected to deliver the cold air flow;

The tank side air inlet duct is disposed at a position near the lower portion of the refrigerating chamber, and includes a first air inlet section, an air inlet straight section, and a second air intake curve sequentially connected and connected in the air inlet flow direction. segment;

The first air inlet segment is configured to be bent from the position of the outer side of the first side wall toward the rear portion toward the rear wall to extend into the cold chamber of the ice maker, and to the air outlet of the fan. connection;

The air inlet straight section is configured to extend from a position near the rear side of the first side wall toward a position close to the front part;

The second air inlet segment is configured to be bent out of the first side wall by a position of the outer side of the first side wall near the front portion for laterally entering the door body when the door body is closed Wind tunnel connection;

The door body side air inlet duct is disposed at a position inside the door body near the first side wall, and is configured to guide the cold air flow in the box side air inlet duct to the ice making machine. And the door body side inlet air duct is configured to be a convex part of the air inlet end of the door body side inlet air duct and the air outlet end of the second air inlet section when the door body is closed In the other, the door body side inlet air duct is in communication with the tank side inlet air duct.
The refrigerator according to claim 3, wherein

The ice making chamber is located at an inner side of the door body near an upper portion;

The door body side air inlet duct includes a first door body side air inlet duct extending in a height direction of the door body, and is connected and connected to an air outlet end of the first door body side inlet air duct The second door side inlet air duct;

The air inlet end of the first door side air inlet duct protrudes toward the first side wall and is adapted to the air outlet end of the second air inlet section to close the door body Connecting and communicating with the outlet end of the second inlet section;

The second door side inlet air duct is located in the ice making chamber and is attached to a lower surface of the ice making machine to provide a cooling capacity to the ice making machine.
The refrigerator according to claim 4, wherein

a first elastic seal is disposed on an outer circumference of the air inlet end of the second air inlet section or the air inlet end of the first door side air inlet duct to seal the first door when the door body is closed a connection point between the air inlet end of the door side inlet air duct and the air outlet end of the second air inlet section.
The refrigerator according to claim 4, wherein

The return air duct includes a door body return air duct and a tank side return air duct, and the door body side return air duct is configured to return to the side of the box when the door body is closed The channels are connected and connected to deliver a flow of heat after exchange with the ice maker;

The door body side return air duct is disposed at a position of the door body near the first side wall, and the air inlet end of the door body side return air duct is located at a position near the lower portion of the ice making chamber. And protruding into the ice making chamber, the air outlet end of the door body side return air duct is located at a position near the lower portion of the door body, and the air outlet end of the door body side return air duct is a first side wall direction protruding to connect with the tank side return air duct when the door body is closed;

The tank side return air duct is disposed at a position near the lower portion of the refrigerating chamber and is located at a lower portion of the box side inlet air duct, and the box side return air duct includes the return flow direction a first return air section, a return air straight section and a second return air section connected and connected;

The first return air segment is configured to be bent out of the first side wall by a position near the front side of the first side wall for closing the door body when the door body is closed The outlet end of the wind duct is connected and connected;

The return air straight section is configured to extend from a position where the outer side of the first side wall is connected to the first return air section to a position close to a rear part of the first side wall;

The second return air segment is configured to be bent from the position of the outer side of the first side wall toward the rear portion to the rear wall direction to the lower portion of the ice making device in the ice-cooling chamber of the ice maker. a position to direct the airflow after heat exchange with the ice maker to an area where the ice making evaporator is located.
The refrigerator according to claim 6, wherein

The door-side return air duct is disposed to extend in a height direction of the door body, and is located on a same side of the door body side air inlet duct and spaced apart from the door body side air inlet duct;

The tank side inlet air duct is spaced apart from an outer surface of the refrigerating chamber, and an insulation material is filled between the tank side inlet air duct and an outer surface of the refrigerating chamber;

The tank side return air duct is spaced apart from an outer surface of the refrigerating chamber, and an insulation material is filled between the tank side return air duct and an outer surface of the refrigerating chamber.
The refrigerator according to claim 6, wherein

a second elastic seal is disposed on an outer circumference of the air inlet end of the first return air section or the air outlet end of the door body side return air passage to seal the first return air when the door body is closed The connection between the air inlet end of the curved section and the air outlet end of the door body side return air duct.
The refrigerator according to claim 1, wherein

a second cover plate is disposed on an end surface of the ice making chamber adjacent to the refrigerating chamber to enclose the ice making machine in the ice making chamber, and the ice making chamber is located at a lower portion of the ice making machine to form a useful In the ice storage area where the ice cubes are stored.
The refrigerator according to claim 9, wherein the refrigerator further comprises:

a dispenser disposed in the door body and located under the ice making chamber, the dispenser being in communication with the ice storage area through a connecting pipe to discharge ice cubes from the ice making mechanism;

An outer side of the door body is formed with a passage communicating with the dispenser so that a user receives ice cubes discharged through the dispenser outside the door body.